Whole-house softener · Aquasure

Aquasure Harmony Series AS-HS48D 48,000-Grain Water Softener

48,000-grain softener for up to 4 people at 15 gpg

Updated October 2026

Quick verdict

A sensible whole-house softener for up to 4 people on 15 gpg water.

Strength
48,000-grain rating.
Trade-off
Valve not named on the listing.
Right buyer
Up to 4 people on 15 gpg water.
Grain capacity (maker)
48,000 grains
Service flow (maker)
12 GPM
Household (maker)
3-4
Material
Polyethylene
Dimensions (seller)
10"L x 10"W x 62"H
Product weight
120 lb
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What it does for your water

The Aquasure Harmony Series AS-HS48D 48,000-Grain Water Softener is a whole-house softener rated at 48,000 grains. Its listing gives a service flow of 12 GPM.

Run at an efficient salt setting, its rating gives about 36,000 grains per regeneration rather than the full rating: enough for up to 4 people on 15 grains-per-gallon water regenerating weekly, or 2 on 25 grains per gallon. Check it against your hardness.

The listing also gives features listed Programmable; mounting Freestanding; sized by the maker for 3-4; power Adapter; capacity stated as 48000 gallons; model AS-HS48D.

The listing gives dimensions of 10 in (L) x 10 in (W) x 62 in (H), a shipping weight of 120 lb and water softener resin tank and brine tank in the box.

Is it the right unit for your house?

Choose it when

  • Up to 4 people on 15 gpg water
  • Replacing an older softener

Pass on it when

  • More than 2 people on 25 gpg water
  • Iron above about 5 ppm without an iron filter

Where it wins and where it loses

Wins

  • 48,000-grain rating
  • 12 GPM service flow

Loses

  • Valve not named on the listing
  • Requires a drain line and power
  • Adds some sodium; potassium chloride is the alternative

Limits to know about

  • Figures are the maker's or seller's own; check fit and capacity against your water test and your equipment's manual.

Maker's figures

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Model numberAS-HS48DRetailer
Features (seller)ProgrammableRetailer
Dimensions (seller)10"L x 10"W x 62"HRetailer
MaterialPolyethyleneRetailer
Mounting / installationFreestandingRetailer
MethodIon ExchangeRetailer
Service flow (maker)12 GPMRetailer
Product weight120 lbRetailer
Model nameHarmonyRetailer
Grain capacity (maker)48,000 grainsRetailer
Household (maker)3-4Retailer

Units to weigh against it

Other water softeners in the catalog

Every water softeners on one grid · All Aquasure units we cover

Final verdict

A sensible whole-house softener for up to 4 people on 15 gpg water.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

How many people is the Aquasure Harmony Series AS-HS48D 48,000-Grain Water Softener for?
At an efficient salt setting it delivers about 36,000 grains between regenerations: up to 4 on 15 gpg water, or 2 on 25 gpg, regenerating weekly. Iron adds load: each ppm counts as about 4 gpg.